EchoLife ET655 - Page 37

EchoLife ET655 IP Phone User Manual
5 Using the ET655
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key to check the status of the monitored phone. You can press this key to directly
make a call to the specified number.
For details on how to configure the BLF service, see the
ET635&ET655&ET685 Administrator Guide or contact the administrator.
A user assigns the BLF function to a DSS key on phone A, and configures phone B as
the monitored phone. The mapping between the phone B status and the BLF key on
phone A is as follows:

When phone B is idle, the BLF key is steady green.

When phone B is ringing, the BLF key is blinking red.

When phone B is in a conversation, the BLF key is steady on.

When phone A failed to detect the phone B status, the BLF key is off.